{"id":"https://openalex.org/W1968463584","doi":"https://doi.org/10.1109/icassp.2014.6854605","title":"Change detection in streams of signals with sparse representations","display_name":"Change detection in streams of signals with sparse representations","publication_year":2014,"publication_date":"2014-05-01","ids":{"openalex":"https://openalex.org/W1968463584","doi":"https://doi.org/10.1109/icassp.2014.6854605","mag":"1968463584"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2014.6854605","doi":"https://doi.org/10.1109/icassp.2014.6854605","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2014.6854605","pdf_url":null,"source":{"id":"https://openalex.org/S4363607879","display_name":"IEEE International Conference on Acoustics Speech and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-2","norway-1"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5005003786","display_name":"Cesare Alippi","orcid":"https://orcid.org/0000-0003-3819-0025","observed_orcids":["https://orcid.org/0000-0003-3819-0025"]},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Cesare Alippi","raw_affiliation_strings":["Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano","Dipt. di Elettron., Inf. e Bioingegneria, Politec. di Milano, Milan, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano","institution_ids":["https://openalex.org/I93860229"]},{"raw_affiliation_string":"Dipt. di Elettron., Inf. e Bioingegneria, Politec. di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006716646","display_name":"Giacomo Boracchi","orcid":"https://orcid.org/0000-0002-1650-3054","observed_orcids":["https://orcid.org/0000-0002-1650-3054"]},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giacomo Boracchi","raw_affiliation_strings":["Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano","Dipt. di Elettron., Inf. e Bioingegneria, Politec. di Milano, Milan, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano","institution_ids":["https://openalex.org/I93860229"]},{"raw_affiliation_string":"Dipt. di Elettron., Inf. e Bioingegneria, Politec. di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015244709","display_name":"Brendt E. Wohlberg","orcid":"https://orcid.org/0000-0002-4767-1843","observed_orcids":["https://orcid.org/0000-0002-4767-1843"]},"institutions":[{"id":"https://openalex.org/I1343871089","display_name":"Los Alamos National Laboratory","ror":"https://ror.org/01e41cf67","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I1343871089","https://openalex.org/I198811213","https://openalex.org/I4210120050"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Brendt Wohlberg","raw_affiliation_strings":["Theoretical Division, Los Alamos National Laboratory","Theor. Div., Los Alamos Nat. Lab., Los Alamos, NM, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Theoretical Division, Los Alamos National Laboratory","institution_ids":["https://openalex.org/I1343871089"]},{"raw_affiliation_string":"Theor. Div., Los Alamos Nat. Lab., Los Alamos, NM, USA","institution_ids":["https://openalex.org/I1343871089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":8.6915,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.97914253,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"54","issue":null,"first_page":"5252","last_page":"5256"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11443","display_name":"Advanced Statistical Process Monitoring","score":0.49050000309944153,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11443","display_name":"Advanced Statistical Process Monitoring","score":0.49050000309944153,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.37209999561309814,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.024299999698996544,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/change-detection","display_name":"change detection","score":0.984000027179718},{"id":"https://openalex.org/keywords/sparse-representation","display_name":"sparse representation","score":0.8199999928474426},{"id":"https://openalex.org/keywords/dictionary-learning","display_name":"dictionary learning","score":0.9990000128746033},{"id":"https://openalex.org/keywords/online-monitoring","display_name":"online monitoring","score":0.8230000138282776},{"id":"https://openalex.org/keywords/sequential-monitoring","display_name":"sequential monitoring","score":0.7509999871253967},{"id":"https://openalex.org/keywords/rockfall-monitoring","display_name":"rockfall monitoring","score":0.9160000085830688},{"id":"https://openalex.org/keywords/burst-detection","display_name":"burst detection","score":0.41100001335144043}],"concepts":[{"id":"https://openalex.org/C12362212","wikidata":"https://www.wikidata.org/wiki/Q728435","display_name":"Linear subspace","level":2,"score":0.8210801482200623},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7241637110710144},{"id":"https://openalex.org/C203595873","wikidata":"https://www.wikidata.org/wiki/Q25389927","display_name":"Change detection","level":2,"score":0.6776644587516785},{"id":"https://openalex.org/C89198739","wikidata":"https://www.wikidata.org/wiki/Q3079880","display_name":"Data stream mining","level":2,"score":0.5745071172714233},{"id":"https://openalex.org/C57691317","wikidata":"https://www.wikidata.org/wiki/Q1289248","display_name":"Scalar (mathematics)","level":2,"score":0.5104362368583679},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4723585546016693},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.4492437541484833},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4403287172317505},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4058235287666321},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.357030987739563},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16260778903961182},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2014.6854605","doi":"https://doi.org/10.1109/icassp.2014.6854605","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2014.6854605","pdf_url":null,"source":{"id":"https://openalex.org/S4363607879","display_name":"IEEE International Conference on Acoustics Speech and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-2","norway-1"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:re.public.polimi.it:11311/869348","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/11311/869348","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W18046889","https://openalex.org/W67201968","https://openalex.org/W1513026732","https://openalex.org/W1605680423","https://openalex.org/W1976709621","https://openalex.org/W2016713852","https://openalex.org/W2022106977","https://openalex.org/W2027456229","https://openalex.org/W2029476192","https://openalex.org/W2033286383","https://openalex.org/W2038819732","https://openalex.org/W2044535354","https://openalex.org/W2059901477","https://openalex.org/W2062024414","https://openalex.org/W2091083310","https://openalex.org/W2102105405","https://openalex.org/W2115755118","https://openalex.org/W2120961178","https://openalex.org/W2122646361","https://openalex.org/W2128659236","https://openalex.org/W2130998683","https://openalex.org/W2142374996","https://openalex.org/W2142841946","https://openalex.org/W2160172035","https://openalex.org/W2160547390","https://openalex.org/W2164026645","https://openalex.org/W2168806933","https://openalex.org/W2792399060","https://openalex.org/W4238744307","https://openalex.org/W4255272544","https://openalex.org/W4302067267"],"related_works":["https://openalex.org/W2391321755","https://openalex.org/W2949110394","https://openalex.org/W2896134808","https://openalex.org/W4289378085","https://openalex.org/W2071055957","https://openalex.org/W4211228991","https://openalex.org/W2353790329","https://openalex.org/W3103861421","https://openalex.org/W2279743781","https://openalex.org/W2754495451"],"abstract_inverted_index":{"We":[0,15,36],"propose":[1],"a":[2,30],"novel":[3],"approach":[4,56],"to":[5,52,63,81],"performing":[6],"change-detection":[7,61],"based":[8],"on":[9,17,65,89],"sparse":[10],"representations":[11],"and":[12,44,48,78,88],"dictionary":[13],"learning.":[14],"operate":[16,64],"observations":[18,68],"that":[19,69],"are":[20,70],"finite":[21],"support":[22],"signals,":[23,71],"which":[24],"in":[25],"stationary":[26],"conditions":[27],"lie":[28],"within":[29],"union":[31],"of":[32,41,59,67],"low":[33],"dimensional":[34],"subspaces.":[35],"model":[37],"changes":[38],"as":[39],"perturbations":[40],"these":[42],"subspaces":[43],"provide":[45],"an":[46],"online":[47],"sequential":[49],"monitoring":[50,94],"solution":[51],"detect":[53],"them.":[54],"This":[55],"allows":[57],"extension":[58],"the":[60],"framework":[62],"streams":[66],"rather":[72],"than":[73],"scalar":[74],"or":[75],"multi-variate":[76],"measurements,":[77],"is":[79],"shown":[80],"be":[82],"effective":[83],"for":[84],"both":[85],"synthetic":[86],"data":[87],"bursts":[90],"acquired":[91],"by":[92],"rockfall":[93],"systems.":[95]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2025-10-10T00:00:00"}